November 1, 2021
- Allow graceful failure from missing data for a single country
November 19, 2020
- Add "Active cases" base projection, defined as confirmed - deaths - recovered.
- For US data, estimate recovered cases by subtracting deaths from confirmed cases, lagged 13 days.
July 2, 2020
- Add "Vertex Date" parameter interpretation to quadratic model, to help gauge steepness.
June 28, 2020
- Fixed inaccuracies in description/parameter interpretations of quadratic model, and regressions in date-based parameter interpretations.
June 28, 2020
- Add quadratic fit, for linear changes in new cases.
June 1, 2020
- Add "Per-Capita" transformation, allowing you to scale the number per million people in population. See "Growth curve plots" link on the introduction box for an example.
May 31, 2020
- Add "Lag" transformation, for the ability to lag (forward or backwards) a time series. The intent is to be able to show more accurate associations with death rates and confirmed cases, as per this CDC recommendation.
May 27, 2020
- Initial Release